Patent · US Expired

Roadway luminaire

US4651260A · kind A · utility

11Cited by
19References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 24, 1984
Grant dateMar 17, 1987
Priority date
Expiry dateOct 24, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21W2131/103
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A roadway luminaire utilizing a source of light which is reflected outwardly from the luminaire by a first and second reflector in side-by-side configuratuion. The second reflector is also positioned to one side of the source of light. The light from the first reflector is adjusted to reinforce light coming from the second reflector in a predetermined direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.